I have a set of numbers 1-12 along with a corresponding % that number occurs

in some data I'm analyzing.

What I want to plot is a histogram with number bin 1 - 12 along the x axis,

and on the yaxis a cumulative value of the total % 's upto that number.

So for simple case with 4 numbers

1, 20%

2, 40%

3, 30%

4, 10%

so the cumulative values I would like to histogram would be

1, 20 %

2, 60%

3, 90%

4,100%

I can't seem to get this to work via the histogram charting tool in the

tools/data analysis menu ?

Can anyone give me any pointers as to how to achieve this ?

Regards

Tony

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